/*
 * Copyright 2010-2020 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.engine.impl.jobexecutor;

import org.activiti.engine.impl.asyncexecutor.AsyncExecutor;
import org.activiti.engine.impl.cfg.TransactionPropagation;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandConfig;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.interceptor.CommandContextCloseListener;
import org.activiti.engine.impl.interceptor.CommandExecutor;
import org.activiti.engine.impl.persistence.entity.JobEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 */
public class AsyncJobAddedNotification implements CommandContextCloseListener {

	private static Logger log = LoggerFactory.getLogger(AsyncJobAddedNotification.class);

	protected JobEntity job;
	protected AsyncExecutor asyncExecutor;

	public AsyncJobAddedNotification(JobEntity job, AsyncExecutor asyncExecutor) {
		this.job = job;
		this.asyncExecutor = asyncExecutor;
	}

	@Override
	public void closed(CommandContext commandContext) {
		CommandExecutor commandExecutor = commandContext.getProcessEngineConfiguration().getCommandExecutor();
		CommandConfig commandConfig = new CommandConfig(false, TransactionPropagation.REQUIRES_NEW);
		commandExecutor.execute(commandConfig, new Command<Void>() {
			public Void execute(CommandContext commandContext) {
				if (log.isTraceEnabled()) {
					log.trace("notifying job executor of new job");
				}
				asyncExecutor.executeAsyncJob(job);
				return null;
			}
		});
	}

	@Override
	public void closing(CommandContext commandContext) {
	}

	@Override
	public void afterSessionsFlush(CommandContext commandContext) {
	}

	@Override
	public void closeFailure(CommandContext commandContext) {
	}

}
